Q: (Among registered voters) If the presidential election were being held today and the candidates were (Barack Obama, the Democrat) and (Mitt Romney, the Republican), for whom would you vote?

In this poll:

After months of aggressive campaigning on jobs and the economy, President Obama and Mitt Romney, his likely GOP challenger, are locked in a dead heat over who could fix the problem foremost on voters' minds.

This Washington Post-ABC News poll was conducted by telephone May 17 to 20, 2012, among a random national sample of 1,004 adults, including landline and cell phone-only respondents. The results from the full survey have a margin of sampling error of plus or minus 3.5 percentage points. Sampling, data collection and tabulation by Abt-SRBI of New York.